Home / 13,382,897.20-20,074,345.80-9,631,754.80

Finding the Fourth Proportional to 13,382,897.20, 20,074,345.80 and 9,631,754.80

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Solution

The fourth proportional to 13,382,897.20, 20,074,345.80 and 9,631,754.80 is: 14,447,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382,897.20 : 20,074,345.80 = 9,631,754.80 : x
  2. Step 2: Convert to fraction form
    13,382,897.20/20,074,345.80 = 9,631,754.80/x
  3. Step 3: Cross multiply
    13,382,897.20x = 20,074,345.80 × 9,631,754.80
  4. Step 4: Simplify right side
    13,382,897.20x = 193,351,176,516,009.88
  5. Step 5: Solve for x
    x = 193,351,176,516,009.88/13,382,897.20
  6. Step 6: Final answer
    x = 14,447,632.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.